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20131202
20131210
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LINKTV
Dec 6, 2013 3:00pm PST
years. they are studying the evolution of specialization as they uncover details of ancient economies around the world. in the maya city of copan, a jeweler fashioned rare shell and jade for his powerful lord. in mexico, living artisans echo the economy of a vanished civilization. and in teotihuacan, evidence of mass production has now been unearthed. tiny faces of clay reflect the men and women who made them a thousand years ago. on the other side of the world, in the ancient roman city of ostia, huge merchant ships were part of an economy much like our own. and today, the tanners of morocco still practice their ancient craft, living proof that economies have evolved out of the past. everyone who has ever lived has been part of an economic system. iel bote grande...mil pesos! economic systems are simply the ways people produce, distribute and consume things -- everything and anything, from tortillas to stocks and bonds. for 10,000, 10,000 an eighth. today, as in the past, economic systems lie at the heart of how a society is organized. archaeologists search for these systems because
LINKTV
Dec 10, 2013 3:00pm PST
critical that those animals are healthy. >> since california has the largest agricultural economy in the u.s. and about 14,000 beef cattle operations, the lack of livestock veterinarians is alarming. now meet 24-year-old zuhal elhan and ashley amaral, who are bucking the trend. they're students at u.c. davis school of veterinary medicine, interning with dr. nancy martin, who is an experienced vet and is giving them hands-on training working with bulls on a yolo county family ranch. >> it's really amazing, because you can only learn so much in a classroo. the classroom gives us a great basis, and then coming out during the summer, it just gives us the clinical experience that helps tie all the ideas we get from the classroom together. >> today they're learning to test the bulls for disease. it sounds simple, but it's not, especially as some of these bulls can weigh 1,300 pounds. >> yeah. no, the first time that i had to measure the... you know, something under the bull, and every time he moved, i jerked back, pulled away, because i don't want to get kicked. but i think that having that aw
Search Results 0 to 1 of about 2